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Question

A rectangular paper of width 14 cm is rolled along with its width and a cylinder of radius 20 cm is formed. Find the volume of the cylinder.

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Solution

A rectangular paper of width 14 c is rolled along its width to form a cylinder.
Height of cylinder = h= 14 cm= width of rectangular paper.
And
Radius of cylinder = r= 20 cm.
Volume of the cylinder = πr2h
=227×20×20×14
=17600cm3
Volume of the cylinder = 17600cm2

1202321_1416802_ans_67abe2d4c93b43d284aa05a410f482c5.jpg

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